RPS 7th Drive: 21 High-Weight Ks
 

We are starting a new drive, featuring the following 21 high-weight Ks:
Batch 1: 2235, 2265, 2295, 2325, 2355, 2415, 2445, 2505, 2547, 2565 [10 Ks]
Batch 2: 2655, 2685, 2715, 2745, 2775, 2835, 2865, 2895, 2925, 2955, 2985 [11 Ks]

The idea is to try again some high-weight Ks, and to make available candidates for small but reportable primes, good for newcomers and people with slow machines.

The test files sieved to 5T in the 350-600k interval kindly provided by Beyond.
Found primes are given in post #2 below.

We are starting at 360k, using 1k and 2k test files given below. On my 2.66GHz quad P4, one test at 365k takes about 140 sec, meaning about 52 hours to test a 2k file. [All Ks have FFT jumps to 28k in the 365-367k range.] Smaller and larger test files, and those in the 350-360k range available on request.

[B]Update [/B](Aug. 23, 2009): Continuing from n=600k to n=1M with 20 Ks. k=2865 stopped at n=600k and released. Sieving by Beyond, Thomas, amphoria and Kosmaj.

[B]Update [/B](Sep. 13, 2011): Extending the Drive past n=1M!

Happy hunting!

[B]Status[/B]
[CODE]
Range of n Tested by Status
[URL="http://www.15k.org/rps7/rps7_done.txt"] 360,000-1,300,000[/URL] - RPS - Complete (112 primes)
1,300,000-1,302,000 - Kosmaj - Complete
1,302,000-1,305,000 - Curtis - Complete (1 prime)
1,305,000-1,320,000 - amphoria - Complete (3 primes)
1,320,000-1,328,000 - Curtis - Complete
1,328,000-1,344,000 - amphoria - Complete (2 primes)
1,344,000-1,360,000 - amphoria - Complete
1,360,000-1,380,000 - amphoria - Complete (4 primes)
1,380,000-1,400,000 - amphoria - Complete (3 primes)
1,400,000-1,410,000 - amphoria - Complete (2 primes)
1,410,000-1,420,000 - amphoria - Complete (1 prime)
1,420,000-1,440,000 - amphoria - Complete (1 prime)
1,440,000-1,448,000 - Trilo - Complete
1,448,000-1,452,000 - Trilo - Complete (1 prime)
1,452,000-1,456,000 - Trilo - Complete
1,456,000-1,460,000 - Kosmaj - Complete (1 prime)
1,460,000-1,480,000 - Thomas - Complete (1 prime)
1,480,000-1,500,000 - Thomas - Complete (1 prime)
1,500,000-1,530,000 - Thomas - Complete (1 prime)
1,530,000-1,536,000 - Curtis - Complete
1,536,000-1,550,000 - Thomas - Complete
1,550,000-1,575,000 - Thomas - Complete (2 primes)
1,575,000-1,585,000 - Trilo - Complete (1 prime)
1,585,000-1,600,000 - Thomas - Complete
1,600,000-1,700,000 - Thomas - Complete (4 primes)
1,700,000-1,725,000 - Curtis - Complete
1,725,000-1,800,000 - Thomas - Complete (3 primes)
1,800,000-1,825,000 - Thomas - Complete (1 prime)
1,825,000-1,860,000 - Curtis - In Progress (1 prime)
1,860,000-1,890,000 - Thomas - Complete (1 prime)
1,890,000-1,925,000 - Curtis - Complete
1,925,000-1,960,000 - Thomas - Complete
1,960,000-1,990,000 - Curtis - Complete
1,990,000-2,000,000 - Curtis - Complete (1 prime)
[/CODE][B]Available Files[/B]
Extensively sieved by Psieve (the latest sieve file of July 31, 2011)

A master file for 1500-2000K is available below:

Found Primes
 

Tests started at n=360000.

2235 [2]: 537475, 994452
2265 [2]: 757026, 1337778
2295 [8]: 519749, 605708, 633092, 736449, 867724, 1099067, 1155336, 1517247
2325 [3]: 398692, 1366249, 1646536
2355 [5]: 481236, 558309, 1085853, 1379854, 1571668
2415 [7]: 439954, 722317, 738763, 953278, 1208963, 1413627, 1801615
2445 [7]: 416077, 452044, 528423, 805756, 908461, 1377351, 1495063
2505 [5]: 468805, 558870, 574175, 979009, 1264470
2547 [11]: 366648, 368196, 437512, 454308, 503218, 556368, 591536, 875780, 901045, 1099688, 1477754
2565 [6]: 427924, 749756, 1014584, 1113204, 1318176, 1758906
2655 [9]: 430740, 472672, 689979, 708133, 721479, 853543, 871905, 1859692, 1879275
2685 [6]: 372944, 378599, 394493, 483182, 489306, 1337858
2715 [9]: 525530, 578940, 701687, 722131, 1163216, 1404211, 1429628, 1629931, 1640137
2745 [9]: 473048, 475676, 768385, 803362, 825142, 1019018, 1040743, 1080710, 1449470
2775 [12]: 397664, 407228, 408874, 453293, 457647, 489194, 557490, 725837, 758945, 1016504, 1035040, 1314555
2835 [6]: 699953, 930835, 967424, 1036588, 1088812, 1388678
2865 [2]: 368821, 403368 (stopped at n=600k)
2895 [7]: 977676, 982050, 988301, 1133841, 1148691, 1371308, 1762011
2925 [14]: 377867, 567219, 586347, 618817, 628889, 697733, 718246, 1074630, 1302041, 1319977, 1396366, 1457402, 1564031, 1657921
2955 [10]: 406658, 460802, 495709, 551281, 570821, 640259, 1274306, 1582609, 1748957, 1991780
2985 [8]: 363559, 411546, 414041, 545391, 1083810, 1185243, 1398863, 1404274

[B]Total: 148 primes[/B]

Found primes for all 21 Ks.

And I'm taking 360-362.

Beyond asked for a large file, and I sent him 370-380.

Taking 362-365 (3)

Taking 380-382.

370-380 complete no primes results emailed

Taking 382-390 (4 files)

[B]pb[/B], Welcome to the drive!

360-362 complete, no primes. Taking 365-366.

Taking 400-410 for the big farm (yes it's not listed on the 1st post)

400-410 complete no primes

Taking also 366-370 and 390-392.